Humus is a type of – (1) fossil seen on the rocks (2) decaying organic matters in soil (3) fertilizers applied in soil (4) special growth found in plants

1 Answer

Answer :

(2) decaying organic matters in soil Explanation: Humus refers to the decomposed and partly decomposed organic matter or animal and vegetation originally present in the soil.

Related questions

Description : Humus is a type of (1) fossil seen on the rocks (2) decaying organic matters in soil (3) fertilizers applied in soil (4) special growth found in plants 

Last Answer : decaying organic matters in soil

Description : High quality crop soil requires humus as a major component. Which of the following best describes the composition of humus w) fine sand particles x) decaying organic matter y) mineral like clay matter z) chemical fertilizers

Last Answer : ANSWER: X -- DECAYING ORGANIC MATTER 

Description : Black soil derived from volcanic rocks with humus is suitable for growing (a) rice (b) wheat (c) cotton (d) grapes

Last Answer : Ans: (c)

Description : Which is the chief characteristic of the soil of the IndoGangetic plain? (a) It is derived from Himalayan rocks (b) It is rich in humus (c) It is formed of peninsular rocks (d) It is derived from local rocks

Last Answer : Ans: (a)

Description : Alluvial soils are rich soil for crop cultivation but are poor in– (1) humus (2) nitrogen and humus (3) organic material (4) inorganic material

Last Answer : (2) nitrogen and humus Explanation: Alluvial soils are fertile soils composed of sediments deposited by rivers and the waves. However, they are usually deficient in nitrogen and ... With suitable irrigation, fertilizers and proper agricultural practices, alluvial soils are generally very fertile.

Description : The organic matter present in soil is known collectively as – (1) Hydrocarbons (2) Podsols (3) Humus (4) Colloids

Last Answer : (3) Humus Explanation: The organic matter present in soil is known collectively as humus. Humus is fully decomposed and finely divided organic matter. Dune is a hill or ridge of sand accumulated and sorted by wind action.

Description : Which of the following is false? (a) Mica is usually found in metamorphic and igneous rocks (b) Aluminium has the advantage over iron as it is resistant to corrosion (c) line is mostly used in galvanising iron and steel goods (d) Manganese is largely used in making fertilizers

Last Answer : Ans: (d)

Description : "Mulching" is the term used for the process of (a) Covering the roots of plants with loose material, dung, etc. in order to protect them from soil erosion etc. (b) Breaking down big pieces ... into small ones (c) Transplanting of paddy seedlings (d) Nitrogen fixation of soil by use of fertilizers

Last Answer : Ans: (a)

Description : Natural organic fertilizers are found to be better then chemical fertilizers because – (1) chemical fertilizers are less productive (2) organic fertilizers are more productive (3) organic fertilizers sustain soil productivity (4) chemical fertilizers are toxic

Last Answer : (3) organic fertilizers sustain soil productivity Explanation: Organic fertilizers like compost are either soil conditioners or growth enhancers. They sustain crop yields and soil productivity in intensive cropping systems which leave low organic residues on the soil.

Description : Natural organic fertilizers are found to be better then chemical fertilizers because (1) chemical fertilizers are less productive (2) organic fertilizers are more productive (3) organic fertilizers sustain soil productivity (4) chemical fertilizers are toxic

Last Answer : organic fertilizers sustain soil productivity

Description : Pheretima and its close relatives derive nourishment from (a) sugarcane roots (b) decaying fallen leaves and soil organic matter (c) soil insects (d) small pieces of fresh fallen leaves of maize, etc.

Last Answer : (b) decaying fallen leaves and soil organic matter

Description : Which one of the following statement not true for organic manure ? a) It enhances water holding capacity of soil . b) It has a balance of all plant nutrients c) It provides humus to soil. d) It improves texture of soil.

Last Answer : b) It has a balance of all plant nutrients

Description : Alluvial soils are rich soil for crop cultivation but are poor in (1) humus (2) nitrogen and humus (3) organic material (4) inorganic material

Last Answer : nitrogen and humus

Description : The organic matter present in soil is known collectively as (1) Hydrocarbons (2)Podsols (3) Humus (4)Colloids

Last Answer : Humus

Description : Mountain soil contains a lot of— (1) humus (2) clay (3) coase material (4) iron and aluminium salt

Last Answer : (1) humus Explanation: The distribution of mountain soils is subject mainly to a vertical (elevation) zonation; the soils change with ascent into the mountains depending on changes in climatic conditions. ... content and is thus, very fertile. It is found in Himalayan regions and north-east India.

Description : Which of the following listed is not a feature of organic farming? (1) The non-use of chemical fertilizers and pesticides (2) Soil is nurtured for furture use by maintaining micro-or-danisms tin (3) Use of synthetic fertilizers (4) Very less energy consumption

Last Answer : (3) Use of synthetic fertilizers Explanation: Organic farming is a form of agriculture that re-lies on techniques such as crop rotation, green manure, compost, and biological pest ... but it excludes the use of synthetic petrochemical fertilizers and pesticides, plant growth regulators, etc.

Description : Which of the following listed is not a feature of organic farming ? (1) The non-use of chemical fertilizers and pesticides (2) Soil is nurtured for furture use by maintaining micro-organisms (3) Use of synthetic fertilizers (4) Very less energy consumption

Last Answer : Use of synthetic fertilizers

Description : Which decaying vegetation produces organic acids which causes a breakdown of minerals? -Do You Know?

Last Answer : answer:

Description : Marsh gas, formed from decaying organic matter and in coal mines is (a) carbon dioxide (b) methane (c) ethane (d) carbon monoxide

Last Answer : Ans:(b)

Description : Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter? (a) Larvae could appear in decaying organic matter. (b) Microbes did not ... matter. (d) Meat was not spoiled, when heated and kept sealed in a vessel.

Last Answer : (d) Meat was not spoiled, when heated and kept

Description : Some people in Manipur live in houses bunt on floating islands of weeds and decaying vegetation held together by suspended slit. These islands are called (a) Tipis (b) Barkhans (c) Phoomdis (d) Izba

Last Answer : Ans: (c)

Description : India has an endless growing season because (a) it experiences the monsoonal type of climate (b) the distribution of rainfall is uneven (c) temperatures throughout the year are favourable for growth of plants (d) its soil is very fertile the greater part being alluvial

Last Answer : Ans: (c)

Description : Mushroom Rocks are the typical land forms seen in – (1) River Valleys (2) Mountain tops (3) Coastal areas (4) Deserts

Last Answer : (4) Deserts Explanation: A mushroom rock, also called rock pedestal or a pedestal rock, is a naturally occurring rock whose shape, as its name implies, strikingly resembles a mushroom. Usually found in ... of an isolated rocky outcrop progresses at a different rate at its bottom to that at its top.

Description : Which one of the following statements is NOT correct? [IAS 2003] (a) Black cotton soil of north-west India was formed by the weathering of basaltic lava rocks (b) Sedimentary rocks are distinguished ... feldspar and mica in it (d) A metamorphic rock is softer and less compact than its original type

Last Answer : Ans: (d)

Description : Organic food is supposed to be better for human consumption because – (1) It is grown in glass house air tight environment (2) It is grown without the use of chemicals & synthetic pesticides (3) It depends on chemicals & fertilizers (4) It is too expensive to buy

Last Answer : (2) It is grown without the use of chemicals & synthetic pesticides Explanation: There are at least two good arguments for eating organic: fewer pesticides and more nutrients. In ... organic foods contain higher levels of antioxidants and less harmful chemicals than conventionally farmed pro-duce.

Description : Organic crop cultivation is : a. With fertilizers b. Without fertilizers c. With organic manures d. None of these

Last Answer : Without fertilizers

Description : Organic food is supposed to be better for human consumption because : (1) It is grown in glass house & air tight environment. (2) It is grown without the use of chemicals & synthetic pesticides. (3) It depends on chemicals & fertilizers. (4) It is too expensive to buy.

Last Answer : It is grown without the use of chemicals & synthetic pesticides. 

Description : Which of the following is a new bio-fertilizers? (a) Green Blue Algae (b) Nitrates (c) Compost (d) Farmyard manure shop.ssbcrack.com

Last Answer : Ans: (a)

Description : Which of the following helps in the 'greening process' of crops? (a) Sunshine (b) Phosphatic fertilizers (c) Nitrogenous fertilezers (d) Potassic fertilizers

Last Answer : Ans: (c)

Description : Match the following: List-I List-II (Places) (Industries) A. Jamnagar 1. Aluminium B. Hospet 2. Wollen Textile C. Korba 3. Fertilizers D. Haldia 4. Cement 5. Iron and Steel Codes: (a) 4 3 1 2 (b) 2 5 1 3 (c) 4 5 2 1 (d) 2 1 4 3

Last Answer : Ans: (b)

Description : Which one of the following statements is NOT correct? [IAS 2003] (a) India is the second largest producer of nitrogenous fertilizers in the world (b) India is the ninth largest steel producing country ... largest producer of silk in the world (d) India ranks third in the world in coal production

Last Answer : Ans: (d)

Description : The package technology which brought about Green Revolution comprised manily of (1) man-power, mechanical cultivators and electricity (2) changes in crop pattern, industrialization and chemical ... and highyield varieties of seeds (4) electricity, irrigation and introduction of dry farming

Last Answer : (3) irrigations, biochemical fertilizers and high-yield varieties of seeds Explanation: Using seeds with superior genetics was the scientific aspect of the Green Revolution. The Green ... water supply and improved moisture utilization, fertilizers, and pesticides, and associated management skills.

Description : (2) Nitrogen, Phosphorous and Sodium Explanation: Fertilizer (or fertiliser) is any organic or inorganic material of natural or synthetic origin (other than liming materials) that is added to a ... essential to the growth of plants. The three elements most needed in common fertilisers are Nitrogen.

Last Answer : Metal are good conductors, because – (1) they contain free electrons (2) the molecules in them are very close to each other (3) the molecules in them collide very freely (4) they contain reflecting surface

Description : Minerals in soil body come from a. Weathering of rocks b. Wind and water c. Rains d. Dead organic remains

Last Answer : a. Weathering of rocks

Description : Black cotton soil of the Deccan region of India is associated with ______ rocks. (a) Volcanic rocks (b) Plutonic rocks (c) Sedimentary rocks (d) Hypabysal rocks shop.ssbcrack.com

Last Answer : Ans: (a)

Description : what does humus consist of when talking about humus-rich soil?

Last Answer : Need Answer

Last Answer : : Humus is more in the upper part of the soil.

Description : What does most of work of mixing humus within the soil?

Last Answer : Earthworms are the main contributors to enriching and improvingsoil for plants, animals and humans. Earthworms eat the soil whichhas organic matter such as decaying vegetation or leaves. ... releases waste from theirbodies called castings. Castings contain many nutrients that plantscan use.

Description : Which one of the following processes during decomposition is correctly described? (a) Catabolism - Last step in the decomposition under fully anaerobic condition (b) Leaching - Water soluble inorganic ... of a dark coloured substance humus which undergoes microbial action at a very fast rate.

Last Answer : (c) Fragmentation – Carried out by organisms such as earthworm

Description : Deep black soil is productive due to high proportion of (a) sand and zinc (b) gravel and calcium (c) clay and humus (d) silt and earthworm.

Last Answer : (c) clay and humus

Description : The B-horizon of a pedalfer soil is noted for its accumulation of: w) carbonate x) nitrogen y) humus z) oxides

Last Answer : ANSWER: Z -- OXIDES

Description : Mountain soil contains a lot of— (1) humus (2) clay (3) coase material (4) iron and aluminium salt

Last Answer : humus

Description : What Based on the content of most fertilizers name two elements other than carbon that are found in compounds in plants?

Last Answer : Nitrogen and phosporus

Description : Archeopteryx a transitional fossil between birds and reptiles was discovered from the rocks of following period

Last Answer : Archeopteryx a transitional fossil between birds and reptiles was discovered from the rocks of following ... Archeozoic era C. Cretaceous D. Triassic

Description : Archeopteryx a transitional fossil between birds and reptiles was discovered from the rocks of following period

Last Answer : Archeopteryx a transitional fossil between birds and reptiles was discovered from the rocks of following ... Archeozoic era C. Cretaceous D. Triassic

Description : What do I do about decaying buds on my perennial hibiscus plants?

Last Answer : Need Answer

Description : What term describes wet ground decaying plants that can be used for fuel?

Last Answer : peat bog

Description : What term describes a wet ground with decaying plants that can be used for fuel?

Last Answer : What is the answer ?

Description : Saprophytes are the organisms which depend for food on – (1) living plants (2) living animals (3) dead and decaying material (4) inorganic chemical compounds

Last Answer : (3) dead and decaying material Explanation: Saprophytes are the organisms which depend for food on dead and decaying material.